In the Grip of the Internet Monopolists - WSJ.com

Concluding paragraph of a timely reality check from Tim Wu, author of the excellent book The Master Switch

The Internet is still relatively young, and we remain in the golden age of these monopolists. We can also take comfort from the fact that most of the Internet's giants profess an awareness of their awesome powers and some sense of attendant duty to the public. Perhaps if we're vigilant, we can prolong the benign phase of their rule. But let's not pretend that we live in anything but an age of monopolies.

In the Grip of the Internet Monopolists - WSJ.com